John’s calculations are not correct. He compared the exact value to the absolute error. The absolute error should be in the numerator and the exact value in the denominator.
Okay. Combine like terms. You should get 12 + q = 12. subtract 12 from both sides. You'll get 0. q = 0.
Answer:
x=5
Step-by-step explanation:
(x^2)-25=0
(x^2)=25
√(x^2)=√25
x=√25
x=5
Answer:
No, because 70% of a class of 30 students would be 21, not 24
Step-by-step explanation:
Answer:
w < 8 meters ( w must be greater than 0 because length cannot be 0)
Step-by-step explanation:
One side with building is 23 meters, the other opposite side also will be 23 meters (with rope).
Let width (remaining 2 sides) be "w", he has AT MOST 39 meters of rope, so we can write:
Rope Needed = 23 + 2w < 39
Simplifying:

The range of possible values of w is
meters (of course w has to be greater than 0)